  ACLMessage accMsg = new ACLMessage(ACLMessage.ACCEPT_PROPOSAL);
  accMsg.setContent(AMessage.constructMessage((Messageable)myAgent, AMessage.MessageType.NOTIFY_ONLY));
  accMsg.addReceiver(new AID(fastestVC,AID.ISLOCALNAME));
  send(accMsg);
  possibleVacuumCleaners.clear();